81072415

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 104011776

約数和(自身を除く): 22939361

約数列:

[1, 5, 43, 47, 71, 113, 215, 235, 355, 565, 2021, 3053, 3337, 4859, 5311, 8023, 10105, 15265, 16685, 24295, 26555, 40115, 143491, 228373, 344989, 377081, 717455, 1141865, 1724945, 1885405, 16214483, 81072415]

約数ペア:

[(1, 81072415), (5, 16214483), (43, 1885405), (47, 1724945), (71, 1141865), (113, 717455), (215, 377081), (235, 344989), (355, 228373), (565, 143491), (2021, 40115), (3053, 26555), (3337, 24295), (4859, 16685), (5311, 15265), (8023, 10105)]